DE3789908D1 - Device and method for the controlled emission of light from a prism light waveguide. - Google Patents

Device and method for the controlled emission of light from a prism light waveguide.

Info

Publication number
DE3789908D1
DE3789908D1 DE3789908T DE3789908T DE3789908D1 DE 3789908 D1 DE3789908 D1 DE 3789908D1 DE 3789908 T DE3789908 T DE 3789908T DE 3789908 T DE3789908 T DE 3789908T DE 3789908 D1 DE3789908 D1 DE 3789908D1
Authority
DE
Germany
Prior art keywords
light
controlled emission
prism
waveguide
light waveguide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE3789908T
Other languages
German (de)
Other versions
DE3789908T2 (en
Inventor
Lorne A C O Minnesot Whitehead
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE3789908D1 publication Critical patent/DE3789908D1/en
Publication of DE3789908T2 publication Critical patent/DE3789908T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2817—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using reflective elements to split or combine optical signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Details Of Measuring Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE3789908T 1986-02-21 1987-02-20 Device and method for the controlled emission of light from a prism light waveguide. Expired - Fee Related DE3789908T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000502402A CA1288265C (en) 1986-02-21 1986-02-21 Method and apparatus for controlled emission of light from prism light guide

Publications (2)

Publication Number Publication Date
DE3789908D1 true DE3789908D1 (en) 1994-07-07
DE3789908T2 DE3789908T2 (en) 1994-12-08

Family

ID=4132517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3789908T Expired - Fee Related DE3789908T2 (en) 1986-02-21 1987-02-20 Device and method for the controlled emission of light from a prism light waveguide.

Country Status (12)

Country Link
EP (1) EP0236030B1 (en)
JP (1) JPS62253102A (en)
KR (1) KR870008206A (en)
AR (1) AR245991A1 (en)
AU (1) AU597621B2 (en)
BR (1) BR8700807A (en)
CA (1) CA1288265C (en)
DE (1) DE3789908T2 (en)
DK (1) DK85887A (en)
MX (1) MX168585B (en)
NO (1) NO870672L (en)
ZA (1) ZA871268B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1268969A (en) * 1986-01-15 1990-05-15 Sanford Cobb, Jr. Totally internally reflecting light conduit
US4787708A (en) * 1987-05-08 1988-11-29 Tir Systems Ltd. Apparatus for continuously controlled emission of light from prism light guide
AU595999B2 (en) * 1987-05-08 1990-04-12 Minnesota Mining And Manufacturing Company Elevated back-lit display
DE3901931A1 (en) * 1989-01-24 1990-08-02 Schott Glaswerke LIGHT-GUIDE FIBER FOR THE RADIAL RADIATION OF TUBULAR CAVE SYSTEMS WITH LASER BEAMS
US5333090A (en) * 1992-10-13 1994-07-26 Coherent, Inc. Optical coating for reflecting visible and longer wavelength radiation having grazing incidence angle
US6169839B1 (en) 1993-04-30 2001-01-02 Walter A. Johanson Light distribution systems and illumination devices
US5784517A (en) * 1993-04-30 1998-07-21 Johanson; Walter A. Illumination devices and methods of forming same
US5481637A (en) * 1994-11-02 1996-01-02 The University Of British Columbia Hollow light guide for diffuse light
DE69533825D1 (en) * 1995-06-22 2005-01-05 Walter A Johanson Lighting device and method for its production
US6014489A (en) * 1997-06-13 2000-01-11 Johanson; Walter A. Light distributing tubes and methods of forming same
DE50106927D1 (en) * 2000-03-03 2005-09-08 Siteco Beleuchtungstech Gmbh Hollow-light luminaire with lamp integrated in the cavity
KR100970741B1 (en) * 2008-02-04 2010-07-16 이강훈 Light pipe
WO2009099276A2 (en) * 2008-02-04 2009-08-13 Kang-Hoon Lee Light pipe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937560A (en) * 1974-11-29 1976-02-10 The United States Of America As Represented By The Secretary Of The Navy Single fiber access coupler
JPS587120A (en) * 1981-07-06 1983-01-14 Showa Electric Wire & Cable Co Ltd Optical directional coupler
GB2112166B (en) * 1981-11-14 1986-03-12 Kei Mori Tubular light transmitting element
EP0118422A4 (en) * 1982-08-09 1984-12-11 Space Lyte Internat Inc Optical distribution system including light guide.
US4615579A (en) * 1983-08-29 1986-10-07 Canadian Patents & Development Ltd. Prism light guide luminaire
JPS6170520A (en) * 1984-09-14 1986-04-11 Takashi Mori Light source device
JPS6235301A (en) * 1985-08-09 1987-02-16 Takashi Mori Optical radiator
CA1268969A (en) * 1986-01-15 1990-05-15 Sanford Cobb, Jr. Totally internally reflecting light conduit

Also Published As

Publication number Publication date
DK85887A (en) 1987-08-22
CA1288265C (en) 1991-09-03
DK85887D0 (en) 1987-02-19
EP0236030B1 (en) 1994-06-01
MX168585B (en) 1993-06-01
EP0236030A2 (en) 1987-09-09
DE3789908T2 (en) 1994-12-08
AU6910187A (en) 1987-08-27
NO870672L (en) 1987-08-24
EP0236030A3 (en) 1988-01-13
BR8700807A (en) 1987-12-15
ZA871268B (en) 1988-09-28
KR870008206A (en) 1987-09-25
NO870672D0 (en) 1987-02-19
AU597621B2 (en) 1990-06-07
JPS62253102A (en) 1987-11-04
AR245991A1 (en) 1994-03-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee